50123220011 has 4 divisors (see below), whose sum is σ = 50727114312. Its totient is φ = 49519325712.

The previous prime is 50123219989. The next prime is 50123220023. The reversal of 50123220011 is 11002232105.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50123220011 - 2⁶ = 50123219947 is a prime.

It is a super-2 number, since 2×50123220011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50123220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301947026 + ... + 301947191.

It is an arithmetic number, because the mean of its divisors is an integer number (12681778578).

Almost surely, 2^50123220011 is an apocalyptic number.

50123220011 is a deficient number, since it is larger than the sum of its proper divisors (603894301).

50123220011 is an equidigital number, since it uses as much as digits as its factorization.

50123220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603894300.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 50123220011 its reverse (11002232105), we get a palindrome (61125452116).

The spelling of 50123220011 in words is "fifty billion, one hundred twenty-three million, two hundred twenty thousand, eleven".